package com.hmall.api.client;

import com.hmall.api.client.fallback.ItemClientFallbackFactory;
import com.hmall.api.config.DefaultFeignConfig;
import com.hmall.api.dto.ItemDTO;
import com.hmall.api.dto.OrderDetailDTO;
import org.springframework.cloud.openfeign.FeignClient;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PutMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestParam;

import java.util.Collection;
import java.util.List;

//@FeignClient("item-service")
@FeignClient(value = "item-service",
        configuration = DefaultFeignConfig.class,
        fallbackFactory = ItemClientFallbackFactory.class)
public interface ItemClient {

    /**
     * 根据id查询商品信息批量
     * @param ids
     * @return
     */
    @GetMapping("/items")
    List<ItemDTO> queryItemByIds(@RequestParam("ids") Collection<Long> ids);

    /**
     * 批量扣减库存
     */
    @PutMapping("/items/stock/deduct")
    void deductStock(@RequestBody List<OrderDetailDTO> items);
}
